/* =========================================================
   ESTÚDIO HERTZ — Landing Page
   Palette: #1d3557 (deep blue) | #e5e5e5 (light gray)
            #2a9d8f (green) | #f4a261 (orange CTA)
   ========================================================= */

*,
*::before,
*::after { box-sizing: border-box; }

:root {
    --blue: #1d3557;
    --blue-dark: #132338;
    --blue-soft: #24426b;
    --gray: #e5e5e5;
    --gray-2: #f3f3f3;
    --green: #2a9d8f;
    --green-dark: #21847a;
    --orange: #f4a261;
    --orange-dark: #e08a42;
    --white: #ffffff;
    --ink: #0e1a2b;
    --muted: #b8c4d4;

    --ff-head: 'Playfair Display', 'Georgia', serif;
    --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --radius: 14px;
    --radius-lg: 22px;
    --shadow-soft: 0 12px 40px -18px rgba(0,0,0,.35);
    --shadow-hard: 0 28px 60px -24px rgba(0,0,0,.55);
    --maxw: 1200px;
    --ease: cubic-bezier(.2,.7,.2,1);
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--ff-body);
    color: var(--white);
    background: var(--blue);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--orange); }

::selection { background: var(--orange); color: var(--blue); }

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ HEADINGS ============ */
h1, h2, h3, h4 {
    font-family: var(--ff-head);
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 .5em;
    letter-spacing: -.01em;
}

h1 { font-size: clamp(2.2rem, 5.2vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.8vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.05rem; font-family: var(--ff-body); font-weight: 600; }

em { font-style: italic; color: var(--orange); font-weight: 600; }
.hl { color: var(--green); font-style: normal; }
.hl-orange { color: var(--orange); font-style: normal; }

p { margin: 0 0 1em; }

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 999px;
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: .98rem;
    letter-spacing: .01em;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform .2s var(--ease), background-color .25s var(--ease),
                box-shadow .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
    white-space: nowrap;
    text-align: center;
    justify-content: center;
}
.btn i { font-size: 1.05em; }

.btn-cta {
    background: var(--orange);
    color: var(--blue);
    box-shadow: 0 10px 30px -10px rgba(244,162,97,.55);
}
.btn-cta:hover {
    background: var(--orange-dark);
    color: var(--blue);
    transform: translateY(-2px);
    box-shadow: 0 18px 40px -12px rgba(244,162,97,.65);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.3);
}
.btn-ghost:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.btn-outline {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}
.btn-outline:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-sm { padding: 10px 18px; font-size: .88rem; }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn-xl { padding: 20px 42px; font-size: 1.1rem; }
.btn-block { display: flex; width: 100%; }

/* ============ EYEBROW ============ */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ff-body);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--orange);
    padding: 8px 14px;
    border: 1px solid rgba(244,162,97,.35);
    border-radius: 999px;
    margin-bottom: 22px;
}
.eyebrow-green {
    color: var(--green);
    border-color: rgba(42,157,143,.35);
}

/* ============ HEADER ============ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    background: rgba(29,53,87,.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.06);
    transition: background .3s var(--ease), padding .3s var(--ease);
}
.site-header.scrolled { background: rgba(19,35,56,.96); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 24px;
}

.logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { width: 42px; height: 42px; border-radius: 50%; }
.logo-text { font-family: var(--ff-head); font-size: 1.2rem; font-weight: 700; color: #fff; }
.logo-text em { color: var(--orange); font-style: italic; }

.site-nav { display: flex; gap: 28px; }
.site-nav a {
    font-size: .92rem;
    font-weight: 500;
    color: rgba(255,255,255,.82);
    position: relative;
    padding: 4px 0;
}
.site-nav a::after {
    content: ''; position: absolute; left: 0; bottom: -2px;
    width: 0; height: 2px; background: var(--orange);
    transition: width .3s var(--ease);
}
.site-nav a:hover { color: #fff; }
.site-nav a:hover::after { width: 100%; }

.header-cta { flex-shrink: 0; }

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 38px;
    height: 38px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 0;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: #fff;
    transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 140px 0 80px;
    background:
        radial-gradient(900px 500px at 85% 10%, rgba(42,157,143,.18), transparent 60%),
        radial-gradient(700px 400px at 10% 90%, rgba(244,162,97,.12), transparent 60%),
        linear-gradient(180deg, #132338 0%, var(--blue) 60%, #1a2f4d 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}
.hero-bg-waves {
    position: absolute; inset: 0;
    pointer-events: none;
    opacity: .5;
}
.hero-bg-waves svg { width: 100%; height: 100%; }

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-content h1 { margin-bottom: 24px; }
.hero-sub {
    font-size: clamp(1.02rem, 1.4vw, 1.22rem);
    color: rgba(229,229,229,.86);
    max-width: 560px;
    margin-bottom: 36px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-trust {
    list-style: none;
    padding: 0; margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    color: rgba(229,229,229,.78);
    font-size: .92rem;
}
.hero-trust li { display: flex; align-items: center; gap: 10px; }
.hero-trust i { color: var(--green); }

/* Hero video card */
.hero-video {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hard);
    position: relative;
    transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
    transition: transform .5s var(--ease);
    background: #000;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
}
.hero-video:hover { transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.02); }

.hero-video-frame {
    position: relative;
    width: 100%;
    padding-top: 177.78%; /* 9:16 aspect ratio for YouTube Shorts */
    background: #000;
}
.hero-video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============ SECTION BASE ============ */
.section { padding: 110px 0; position: relative; }
.section-light {
    background: var(--gray);
    color: var(--ink);
}
.section-dark { background: var(--blue); color: var(--white); }

.section-head {
    max-width: 820px;
    margin: 0 auto 60px;
    text-align: center;
}
.section-head-sm { margin-top: 80px; margin-bottom: 36px; }

.section-sub {
    font-size: 1.08rem;
    color: inherit;
    opacity: .78;
    max-width: 640px;
    margin: 0 auto;
}
.section-light .section-sub { opacity: .72; color: #334155; }

/* ============ PROBLEMA ============ */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}
.pain-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 26px;
    border: 1px solid rgba(29,53,87,.08);
    box-shadow: 0 10px 30px -24px rgba(29,53,87,.3);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.pain-item:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(29,53,87,.4); }
.pain-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: rgba(42,157,143,.12);
    color: var(--green);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}
.pain-icon-orange {
    background: rgba(244,162,97,.18);
    color: var(--orange-dark);
}
.pain-item h3 {
    color: var(--blue);
    margin-bottom: 10px;
    font-size: 1.18rem;
    font-family: var(--ff-head);
}
.pain-item p {
    color: #475569;
    font-size: .94rem;
    margin-bottom: 0;
}
.pain-cta {
    background: var(--blue);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}
.pain-cta h3 { color: #fff; }
.pain-cta p { color: rgba(255,255,255,.82); }
.pain-cta .btn { align-self: flex-start; }

/* ============ SOLUÇÃO ============ */
.solution-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 80px;
    align-items: center;
}
.solution-copy h2 { margin-bottom: 22px; }
.solution-copy p {
    color: rgba(229,229,229,.82);
    font-size: 1.08rem;
    max-width: 520px;
}
.solution-p2 { color: rgba(229,229,229,.7) !important; }

.check-list {
    list-style: none; padding: 0; margin: 30px 0 0;
    display: grid; gap: 14px;
}
.check-list li {
    display: flex; align-items: center; gap: 14px;
    font-weight: 500;
    font-size: 1.02rem;
}
.check-list i {
    background: var(--green);
    color: var(--blue);
    width: 26px; height: 26px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: .78rem;
    flex-shrink: 0;
}

.solution-visual {
    background: var(--blue-soft);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    border: 1px solid rgba(255,255,255,.06);
    box-shadow: var(--shadow-hard);
}
.frequency-viz {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 6px;
    height: 130px;
    margin-bottom: 40px;
}
.frequency-viz .bar {
    flex: 1;
    background: linear-gradient(180deg, var(--orange) 0%, var(--green) 100%);
    border-radius: 4px;
    animation: freq 1.6s ease-in-out infinite;
}
.frequency-viz .bar:nth-child(1)  { animation-delay: 0s; }
.frequency-viz .bar:nth-child(2)  { animation-delay: .1s; }
.frequency-viz .bar:nth-child(3)  { animation-delay: .2s; }
.frequency-viz .bar:nth-child(4)  { animation-delay: .3s; }
.frequency-viz .bar:nth-child(5)  { animation-delay: .4s; }
.frequency-viz .bar:nth-child(6)  { animation-delay: .5s; }
.frequency-viz .bar:nth-child(7)  { animation-delay: .6s; }
.frequency-viz .bar:nth-child(8)  { animation-delay: .7s; }
.frequency-viz .bar:nth-child(9)  { animation-delay: .8s; }
.frequency-viz .bar:nth-child(10) { animation-delay: .7s; }
.frequency-viz .bar:nth-child(11) { animation-delay: .6s; }
.frequency-viz .bar:nth-child(12) { animation-delay: .5s; }
.frequency-viz .bar:nth-child(13) { animation-delay: .4s; }
.frequency-viz .bar:nth-child(14) { animation-delay: .3s; }
.frequency-viz .bar:nth-child(15) { animation-delay: .2s; }
.frequency-viz .bar:nth-child(16) { animation-delay: .1s; }
.frequency-viz .bar:nth-child(17) { animation-delay: .05s; }
.frequency-viz .bar:nth-child(18) { animation-delay: 0s; }

@keyframes freq {
    0%, 100% { height: 18%; }
    50%      { height: 100%; }
}

.solution-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.stat { text-align: center; padding: 16px 8px; border-right: 1px solid rgba(255,255,255,.08); }
.stat:last-child { border-right: 0; }
.stat strong {
    display: block;
    font-family: var(--ff-head);
    font-size: 2rem;
    color: var(--orange);
    font-weight: 700;
}
.stat span { font-size: .82rem; color: rgba(255,255,255,.7); }

/* ============ ESTRUTURA ============ */
.features-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 22px;
    margin-bottom: 20px;
}
.feature {
    background: #fff;
    padding: 28px 22px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(29,53,87,.08);
    transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.feature:hover { transform: translateY(-4px); border-color: var(--green); }
.feature i {
    font-size: 1.8rem;
    color: var(--green);
    margin-bottom: 14px;
    display: block;
}
.feature h4 {
    color: var(--blue);
    margin-bottom: 8px;
    font-family: var(--ff-head);
    font-weight: 600;
    font-size: 1.05rem;
}
.feature p {
    color: #475569;
    font-size: .88rem;
    margin-bottom: 0;
}

/* ============ CAROUSEL ============ */
.carousel {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
}
.carousel-viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.carousel-track {
    display: flex;
    gap: 20px;
    transition: transform .5s var(--ease);
    will-change: transform;
}
.carousel-slide {
    flex: 0 0 calc((100% - 40px) / 3);
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
}
.carousel-slide img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    transition: transform .6s var(--ease);
}
.carousel-slide:hover img { transform: scale(1.04); }

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 54px; height: 54px;
    border-radius: 50%;
    border: 0;
    background: var(--orange);
    color: var(--blue);
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 3;
    box-shadow: 0 10px 30px -10px rgba(244,162,97,.55);
    transition: transform .25s var(--ease), background-color .25s var(--ease);
}
.carousel-arrow:hover { background: var(--orange-dark); transform: translateY(-50%) scale(1.06); }
.carousel-arrow:disabled { background: rgba(29,53,87,.3); color: rgba(255,255,255,.5); cursor: not-allowed; box-shadow: none; }
.carousel-prev { left: -26px; }
.carousel-next { right: -26px; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 26px;
}
.carousel-dots button {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 0;
    background: rgba(29,53,87,.25);
    cursor: pointer;
    padding: 0;
    transition: background-color .25s var(--ease), transform .25s var(--ease);
}
.carousel-dots button.active {
    background: var(--orange);
    transform: scale(1.3);
}

/* ============ YOUTUBE ============ */
.yt-player { max-width: 1000px; margin: 0 auto; }
.yt-embed-wrap {
    position: relative;
    padding-top: 56.25%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hard);
    border: 1px solid rgba(255,255,255,.08);
}
.yt-embed-wrap iframe,
.yt-embed-wrap #ytPlayer {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    border: 0;
}
.yt-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 20px;
    padding: 16px 20px;
    background: var(--blue-soft);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
}
.yt-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--orange);
    color: var(--blue);
    border: 0;
    padding: 12px 22px;
    border-radius: 999px;
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    transition: background-color .25s var(--ease), transform .2s var(--ease), box-shadow .25s var(--ease);
    box-shadow: 0 8px 24px -10px rgba(244,162,97,.5);
    flex-shrink: 0;
}
.yt-btn:hover:not(:disabled) {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -10px rgba(244,162,97,.65);
}
.yt-btn:disabled {
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.35);
    cursor: not-allowed;
    box-shadow: none;
}
.yt-now {
    flex: 1;
    min-width: 0;
    text-align: center;
    color: #fff;
}
.yt-now-label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 4px;
}
.yt-now-title {
    display: block;
    font-family: var(--ff-head);
    font-size: 1.05rem;
    color: #fff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 8px;
}

@media (max-width: 620px) {
    .yt-controls { flex-wrap: wrap; padding: 14px; gap: 12px; }
    .yt-now { order: -1; flex-basis: 100%; }
    .yt-btn { flex: 1; justify-content: center; padding: 12px 14px; font-size: .9rem; }
    .yt-btn span { display: inline; }
}

/* ============ PLANS ============ */
.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    align-items: stretch;
}
.plan {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px 34px;
    border: 1px solid rgba(29,53,87,.08);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }

.plan-tag {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    background: rgba(29,53,87,.08);
    color: var(--blue);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
}
.plan-tag-light {
    background: rgba(244,162,97,.22);
    color: var(--orange-dark);
}
.plan h3 {
    color: var(--blue);
    font-family: var(--ff-head);
    font-size: 1.7rem;
    margin-bottom: 10px;
}
.plan-desc {
    color: #475569;
    font-size: .94rem;
    margin-bottom: 24px;
}
.plan-features {
    list-style: none;
    padding: 0; margin: 0 0 30px;
    display: grid;
    gap: 12px;
    flex: 1;
}
.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #334155;
    font-size: .94rem;
}
.plan-features i {
    color: var(--green);
    font-size: .82rem;
    margin-top: 5px;
    flex-shrink: 0;
}

/* Featured plan */
.plan-featured {
    background: linear-gradient(165deg, var(--blue) 0%, #1a2e4b 100%);
    color: #fff;
    border-color: var(--orange);
    box-shadow: 0 30px 60px -30px rgba(29,53,87,.6);
    transform: scale(1.02);
}
.plan-featured:hover { transform: scale(1.04) translateY(-4px); }
.plan-featured h3 { color: #fff; }
.plan-featured .plan-desc { color: rgba(229,229,229,.82); }
.plan-featured .plan-features li { color: rgba(229,229,229,.92); }
.plan-featured .plan-features i { color: var(--orange); }
.plan-ribbon {
    position: absolute;
    top: -14px; right: 26px;
    background: var(--orange);
    color: var(--blue);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    box-shadow: 0 8px 20px -8px rgba(244,162,97,.6);
}
.plan-ribbon i { margin-right: 6px; }

.impact-phrase {
    text-align: center;
    margin-top: 60px;
    font-family: var(--ff-head);
    font-size: clamp(1.3rem, 2.6vw, 2rem);
    line-height: 1.4;
    color: var(--blue);
}
.impact-phrase span { display: block; opacity: .62; font-style: italic; }
.impact-phrase strong { color: var(--orange-dark); font-weight: 700; }

/* ============ PROCESSO ============ */
.process-list {
    list-style: none;
    padding: 0; margin: 0;
    max-width: 860px;
    margin: 0 auto;
    counter-reset: step;
    position: relative;
}
.process-list::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 30px; bottom: 30px;
    width: 2px;
    background: linear-gradient(180deg, var(--orange) 0%, var(--green) 100%);
    opacity: .35;
}
.process-item {
    display: flex;
    gap: 28px;
    padding: 26px 0;
    align-items: flex-start;
    position: relative;
}
.process-num {
    flex-shrink: 0;
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--blue-soft);
    border: 2px solid var(--orange);
    color: var(--orange);
    font-family: var(--ff-head);
    font-size: 1.6rem;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    z-index: 2;
    position: relative;
}
.process-item h3 {
    color: #fff;
    margin-bottom: 6px;
    font-family: var(--ff-head);
    font-size: 1.35rem;
}
.process-item p {
    color: rgba(229,229,229,.72);
    margin: 0;
    font-size: 1rem;
}

/* ============ DIFERENCIAL ============ */
.diff-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 70px;
    align-items: center;
}
.diff-copy h2 { color: var(--blue); }
.diff-copy p { color: #475569; font-size: 1.05rem; max-width: 420px; }

.diff-list {
    list-style: none;
    padding: 0; margin: 0;
    display: grid;
    gap: 16px;
}
.diff-list li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: #fff;
    padding: 22px 24px;
    border-radius: var(--radius);
    border: 1px solid rgba(29,53,87,.08);
    transition: transform .25s var(--ease);
}
.diff-list li:hover { transform: translateX(6px); }
.diff-list > li > span {
    width: 46px; height: 46px;
    background: var(--green);
    color: #fff;
    border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.diff-list h4 { color: var(--blue); margin-bottom: 4px; font-family: var(--ff-head); font-size: 1.1rem; }
.diff-list p { color: #475569; margin: 0; font-size: .93rem; }

/* ============ FAQ ============ */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}
.faq-item {
    background: var(--blue-soft);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,.08);
    overflow: hidden;
    transition: border-color .3s var(--ease);
}
.faq-item[open] { border-color: var(--orange); }
.faq-item summary {
    padding: 22px 26px;
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: 1.02rem;
    color: #fff;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i {
    color: var(--orange);
    font-size: .9rem;
    transition: transform .3s var(--ease);
    flex-shrink: 0;
}
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-item p {
    padding: 0 26px 24px;
    color: rgba(229,229,229,.8);
    margin: 0;
    font-size: .95rem;
}

/* ============ CTA FINAL ============ */
.cta-final {
    background:
        radial-gradient(800px 400px at 50% 0%, rgba(244,162,97,.18), transparent 60%),
        linear-gradient(180deg, #1a2f4d 0%, var(--blue-dark) 100%);
    text-align: center;
    padding: 120px 0;
    overflow: hidden;
    position: relative;
}
.cta-final-inner { max-width: 780px; margin: 0 auto; position: relative; }
.cta-final h2 { margin-bottom: 20px; }
.cta-final p { color: rgba(229,229,229,.82); font-size: 1.1rem; margin-bottom: 40px; }
.cta-phone {
    margin-top: 30px !important;
    color: rgba(229,229,229,.6);
    font-size: .92rem;
}
.cta-phone i { color: var(--green); margin-right: 8px; }
.cta-wave {
    position: absolute; top: -20px; left: 0; right: 0;
    height: 80px;
    opacity: .5;
}
.cta-wave svg { width: 100%; height: 100%; }

/* ============ FOOTER ============ */
.site-footer {
    background: var(--blue-dark);
    color: rgba(229,229,229,.8);
    padding: 80px 0 0;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
}
.footer-brand img { width: 70px; height: 70px; border-radius: 50%; margin-bottom: 16px; }
.footer-brand p { font-size: .92rem; max-width: 320px; line-height: 1.6; }
.footer-col h4 {
    color: #fff;
    font-family: var(--ff-head);
    font-size: 1.15rem;
    margin-bottom: 20px;
}
.footer-list {
    list-style: none;
    padding: 0; margin: 0;
    display: grid;
    gap: 14px;
    font-size: .92rem;
}
.footer-list li { display: flex; gap: 12px; align-items: flex-start; }
.footer-list i { color: var(--green); margin-top: 5px; flex-shrink: 0; }
.footer-list a:hover { color: var(--orange); }
.footer-nav-list li { display: block; }

.footer-socials {
    display: flex;
    gap: 14px;
    margin-top: 20px;
}
.footer-socials a {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1rem;
    color: #fff;
    transition: background-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.footer-socials a:hover { background: var(--orange); color: var(--blue); transform: translateY(-3px); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 22px 0;
    font-size: .82rem;
}
.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}
.footer-bottom p { margin: 0; }
.footer-bottom strong { color: var(--orange); }

/* ============ FLOATING WHATSAPP ============ */
.whats-float {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 60;
    background: var(--green);
    color: #fff;
    padding: 14px 20px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: .95rem;
    box-shadow: 0 12px 30px -8px rgba(42,157,143,.5);
    transition: transform .3s var(--ease), background-color .25s var(--ease);
}
.whats-float:hover {
    background: var(--green-dark);
    color: #fff;
    transform: scale(1.06);
}
.whats-float i { font-size: 1.4rem; }

/* ============ ANIMATIONS ON SCROLL ============ */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.fade-up.visible { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
    .site-nav { display: none; }
    .nav-toggle { display: flex; }
    .header-cta { display: none; }

    .site-nav.open {
        display: flex;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(19,35,56,.98);
        backdrop-filter: blur(14px);
        flex-direction: column;
        padding: 20px 24px 24px;
        gap: 18px;
        border-top: 1px solid rgba(255,255,255,.06);
    }

    .hero { padding: 120px 0 60px; min-height: auto; }
    .hero-inner { grid-template-columns: 1fr; gap: 50px; }
    .hero-video { transform: none; max-width: 360px; margin: 0 auto; }
    .hero-video:hover { transform: scale(1.02); }

    .solution-inner, .diff-inner { grid-template-columns: 1fr; gap: 50px; }
    .solution-copy p, .diff-copy p { max-width: none; }

    .section { padding: 80px 0; }

    .carousel-slide { flex: 0 0 calc((100% - 20px) / 2); }
    .carousel-slide img { height: 280px; }
    .carousel-prev { left: 8px; }
    .carousel-next { right: 8px; }

    .process-list::before { left: 30px; }
    .process-num { width: 60px; height: 60px; font-size: 1.2rem; }
    .process-item { gap: 20px; }

    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 620px) {
    .container { padding: 0 20px; }
    .section { padding: 70px 0; }
    .section-head { margin-bottom: 44px; }

    .logo-text { display: none; }

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.7rem; }

    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn { width: 100%; }

    .carousel-slide { flex: 0 0 100%; }
    .carousel-slide img { height: 240px; }

    .plan-featured { transform: none; }
    .plan-featured:hover { transform: translateY(-4px); }

    .cta-final { padding: 80px 0; }
    .btn-xl { padding: 16px 28px; font-size: 1rem; width: 100%; justify-content: center; }

    .whats-float span { display: none; }
    .whats-float { padding: 14px; }

    .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 400px) {
    .site-header .logo img { width: 36px; height: 36px; }
    .btn { padding: 12px 20px; font-size: .92rem; }
    .eyebrow { font-size: .7rem; letter-spacing: .18em; padding: 6px 12px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
    html { scroll-behavior: auto; }
}